133311033021 has 16 divisors (see below), whose sum is σ = 187920267200. Its totient is φ = 83828763648.

The previous prime is 133311032999. The next prime is 133311033047. The reversal of 133311033021 is 120330113331.

It is not a de Polignac number, because 133311033021 - 2⁶ = 133311032957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133311033091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5093476 + ... + 5119581.

It is an arithmetic number, because the mean of its divisors is an integer number (11745016700).

Almost surely, 2^133311033021 is an apocalyptic number.

It is an amenable number.

133311033021 is a deficient number, since it is larger than the sum of its proper divisors (54609234179).

133311033021 is a wasteful number, since it uses less digits than its factorization.

133311033021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10213308.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 133311033021 its reverse (120330113331), we get a palindrome (253641146352).

The spelling of 133311033021 in words is "one hundred thirty-three billion, three hundred eleven million, thirty-three thousand, twenty-one".